<template>
	<view class="my-settle-container">
		<!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck"  /><text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计: <text class="amount">¥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>

<script>
  import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		data() {
			return {
        // 倒计时的秒数
				seconds:3,
        // 定时器的id
        timer:null,
			};
		},
    
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      
      isFullCheck(){
        return this.total === this.checkedCount
      }
      
    },
    
    methods:{
      
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      
      changeAllState(){
        // console.log(!this.isFullCheck)
        this.updateAllGoodsState(!this.isFullCheck)
      },
      // 用户点击了结算按钮
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品!')
        if(!this.addstr) return uni.$showMsg('请选择收货地址!')
        // if(!this.token) return uni.$showMsg('请先登录!')
        if(!this.token) return this.delayNavgate()
        
        this.payOrder()
      },
      
      async payOrder(){
        // 1.创建订单
         // 1.1 组织订单的信息对象
         const orderInfo = {
            // order_price: this.checkedGoodsAmount,
            order_price:0.01,
            consignee_addr: this.addstr,
            goods: this.cart.filter(x => x.goods_state).map(x =>({
              goods_id:x.goods_id,
              goods_number:x.goods_count,
              goods_price:x.goods_price
            }))
         }
         // 1.2 发起请求创建订单
         const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
         if(res.meta.status !== 200) return uni.$showMsg('创建订单失败!')
         // 1.3 得到服务器响应的“订单编号”
         const orderNumber = res.message.order_number
         // console.log(orderNumber)
          // 2. 订单预支付
          // 2.1 发起请求获取订单的支付信息
          const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
          // 2.2 预付订单生成失败
          if(res2.meta.status === 200) return uni.$showMsg('预付订单生成失败!')
          // 2.3 得到订单支付相关的必要参数
          const payInfo = res2.message.pay
          
          // console.log(payInfo)
          // 3. 发起微信支付
          // 3.1 调用 uni.requestPayment() 发起微信支付
          const [err,succ] = await uni.requestPayment(payInfo)
          // 3.2 未完成支付
          if(err) return uni.$showMsg('订单未支付!')
          // 3.3 完成了支付，进一步查询支付的结果
          const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
          // 3.4 检测到订单未支付
          if(res3.meta.status !== 200) return uni.$showMsg('订单未支付!')
          // 3.5 检测到订单支付完成
          uni.showToast({
            title:'订单支付完成!',
            icon:'success'
          })
          
      },
      
      // 延时导航到my页面
      delayNavgate(){
        this.seconds = 3
        
        this.showTips(this.seconds)
        
        this.timer = setInterval(()=>{
          this.seconds--
          if(this.seconds <= 0){
            clearInterval(this.timer)
            
            uni.switchTab({
              url:'/pages/my/my',
              success: () => {
               this.updateRedirectInfo({
                 openType:'switchTab',
                 from:'/pages/cart/cart'
               }) 
              }
            })
            return
          }
          this.showTips(this.seconds)
        },1000)
      },
      
      // 展示倒计时的提示信息
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后再结算! '+n+'秒之后自动跳转到登录页',
          mask:true,
          duration:1500
        })
      }
      
      
    }
    
	}
</script>

<style lang="scss">
.my-settle-container{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  .radio{
    display: flex;
    align-items: center;
  }
  .amount-box{
    .amount{
      color: #C00000;
      font-weight: bold;
    }
  }
  .btn-settle{
    background-color: #C00000;
    height: 50px;
    color: white;
    line-height: 50px;
    padding: 0 10px;
    min-width: 100px;
    text-align: center;
  }
}
</style>
